UNCLASSIFIED // PUBLIC RELEASERELEASE 06 · SEPTEMBER 18, 2026
PENTAGON UFO FILE · DOCUMENT · DOW-UAP-D131AAWSAP DIRD, The Role of Superconductors in Gravity Research, March 2010
This DIRD, dated March 2010 and prepared for the AAWSAP program, is a history of one of the more contentious corners of physics: the idea that superconductors might be used to generate, detect or modify gravitational effects in a laboratory. The release’s summary mentions no sightings; it links the subject to gravitational-wave and propulsion ideas.
A field built on disputed results
The paper traces both theoretical proposals and experiments linking superconducting materials to gravity, including gravitational-wave ideas and propulsion concepts. A large share of it deals with contested claims, especially reports that spinning or electrically driven superconductors produced unexpected weight changes or gravity-like forces.
The release summarizes the paper’s own conclusion fairly bluntly: if a real effect were confirmed the consequences would be large, but the evidence is thin, headline results were never convincingly replicated, and both theory and experiment remained in dispute.
Superconductors in brief
A superconductor carries current with zero electrical resistance when cooled below a critical temperature and expels magnetic fields, which is why it can levitate magnets. That real, well-understood behavior is distinct from the gravity claims the paper reviews. A broader look at the same goal is Antigravity for Aerospace Applications.
The official description
From war.gov/UFO, released September 18, 2026, quoted in full
This document is a Defense Intelligence Reference Document (DIRD), a technical reference format used by the Defense Intelligence Agency (DIA) to capture baseline knowledge on a specific topic for later analytic use. DIRDs are best understood as reference and synthesis products rather than as original research. It is one of 38 DIRDs produced under the Advanced Aerospace Weapon System Applications Program (AAWSAP) between 2009 and 2011. Because AAWSAP’s scope permitted a broad range of supporting topics, not every DIRD in the series directly concerns aerospace systems or future threat assessment. The following summary reflects the DIRD’s scope and framing at the time of writing and should not be read as implying current validation of the concepts discussed.
This DIRD is a historical survey of efforts to determine whether superconductors might play a role in producing, detecting, or modifying gravity-related effects in a laboratory setting. It reviews the main theoretical and experimental lines of work in that area and attempts to connect superconducting materials with gravitational-wave or propulsion-related concepts. Because the topic is highly contested within the scientific literature, the report spends substantial attention on experiments of disputed value and on controversial theories, especially claims that rotating or energized superconductors might generate anomalous gravitational effects. Overall, the document treats the subject as an exploratory research area with potentially major implications if any real effect were verified, while also making clear that the evidentiary base remained weak, that prominent claims had not been convincingly replicated, and that both the underlying theory and the experimental record remained deeply disputed.